#![allow(dead_code)]

use std::{
    fs,
    path::{Path, PathBuf},
};

pub const LOGO_BYTES: &[u8] = b"pretend png";

pub fn path(value: &str) -> Option<PathBuf> {
    Some(PathBuf::from(value))
}

pub fn env_of(pairs: &[(&str, &str)]) -> impl Fn(&str) -> Option<PathBuf> + use<> {
    let pairs: Vec<(String, PathBuf)> = pairs
        .iter()
        .map(|(key, value)| ((*key).to_owned(), PathBuf::from(value)))
        .collect();

    move |key| {
        pairs
            .iter()
            .find(|(name, _)| name == key)
            .map(|(_, value)| value.clone())
    }
}

pub fn scratch(name: &str) -> PathBuf {
    let directory = std::env::temp_dir().join(format!("dvd-thing-test-{name}"));

    let _ = fs::remove_dir_all(&directory);
    fs::create_dir_all(&directory).expect("temp directory must be creatable");

    directory
}

pub fn write_logo(directory: &Path) -> PathBuf {
    let file = directory.join("logo.png");
    fs::write(&file, LOGO_BYTES).expect("temp file must be writable");
    file
}